ImportError: DLL load failed while importing _ext: The specified procedure could not be found.

[AIisCool]

Using Python 3.9.7, I'm having the following issue when I try to finish installing vsbasicvsrpp with python -m vsbasicvsrpp.

I had installed it just fine weeks ago, but I attempted to update PyTorch last night with: pip3 install torch==1.10.0+cu113 torchvision==0.11.1+cu113 -f https://download.pytorch.org/whl/cu113/torch_stable.html and that seemed to break everything, so I managed to fix it, but vsbasicvsrpp remains unfixed due to the following.

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C:\WINDOWS\system32>pip install --upgrade vsbasicvsrpp
WARNING: Ignoring invalid distribution mvtools-float- (c:\users\mainuser\appdata\roaming\python\python39\site-packages)
WARNING: Ignoring invalid distribution mvtools-float- (c:\users\mainuser\appdata\roaming\python\python39\site-packages)
Collecting vsbasicvsrpp
  Using cached vsbasicvsrpp-1.3.0-py3-none-any.whl (21 kB)
Requirement already satisfied: torchvision in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from vsbasicvsrpp) (0.11.1+cu113)
Requirement already satisfied: mmcv-full>=1.3.13 in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from vsbasicvsrpp) (1.3.14)
Requirement already satisfied: torch>=1.9.0 in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from vsbasicvsrpp) (1.10.0+cu113)
Requirement already satisfied: numpy in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from vsbasicvsrpp) (1.21.3)
Requirement already satisfied: Pillow in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (8.3.1)
Requirement already satisfied: packaging in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (21.0)
Requirement already satisfied: addict in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (2.4.0)
Requirement already satisfied: yapf in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (0.31.0)
Requirement already satisfied: regex in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (2021.8.28)
Requirement already satisfied: pyyaml in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from mmcv-full>=1.3.13->vsbasicvsrpp) (5.4.1)
Requirement already satisfied: typing-extensions in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from torch>=1.9.0->vsbasicvsrpp) (3.10.0.0)
Requirement already satisfied: pyparsing>=2.0.2 in c:\users\mainuser\appdata\local\programs\python\python39\lib\site-packages (from packaging->mmcv-full>=1.3.13->vsbasicvsrpp) (2.4.7)
WARNING: Ignoring invalid distribution mvtools-float- (c:\users\mainuser\appdata\roaming\python\python39\site-packages)
Installing collected packages: vsbasicvsrpp
Successfully installed vsbasicvsrpp-1.3.0
WARNING: Ignoring invalid distribution mvtools-float- (c:\users\mainuser\appdata\roaming\python\python39\site-packages)
WARNING: Ignoring invalid distribution mvtools-float- (c:\users\mainuser\appdata\roaming\python\python39\site-packages)

C:\WINDOWS\system32>python -m vsbasicvsrpp
Traceback (most recent call last):
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 188, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 147, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 111, in _get_module_details
    __import__(pkg_name)
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\site-packages\vsbasicvsrpp\__init__.py", line 10, in <module>
    from .basicvsr_pp import BasicVSRPlusPlus
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\site-packages\vsbasicvsrpp\basicvsr_pp.py", line 8, in <module>
    from mmcv.ops import ModulatedDeformConv2d, modulated_deform_conv2d
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\site-packages\mmcv\ops\__init__.py", line 2, in <module>
    from .ball_query import ball_query
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\site-packages\mmcv\ops\ball_query.py", line 7, in <module>
    ext_module = ext_loader.load_ext('_ext', ['ball_query_forward'])
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\site-packages\mmcv\utils\ext_loader.py", line 13, in load_ext
    ext = importlib.import_module('mmcv.' + name)
  File "C:\Users\MainUser\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ImportError: DLL load failed while importing _ext: The specified procedure could not be found.

[HolyWu]

Because the provided mmcv-full was compiled with PyTorch 1.9 and CUDA 11.1. Will compile a new version for PyTorch 1.10 and CUDA 11.3 when I have time.

[AIisCool]

Ah I see, I should have realized that. Thank you!